CVE-2023-41369Network attack vector

Browser slowdown via unrestricted XML attachment opening

Published Sep 12, 2023 · Updated Sep 25, 2024

External entity expansion in SAP S/4HANA Create Single Payment 100 through 108 allows remote authenticated users to slow a browser. The attachment section accepts unrestricted XML and opens the uploaded file inline, allowing recursive entity references to expand in the browser. Exploitation requires an authenticated upload and a user to open the attachment; the reported consequence is browser slowdown, not server interruption.

CVSS severity3.5
Low
EPSS probability0.49%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

External entity expansion in SAP S/4HANA Create Single Payment 100 through 108 allows remote authenticated users to slow a browser. The attachment section accepts unrestricted XML and opens the uploaded file inline, allowing recursive entity references to expand in the browser. Exploitation requires an authenticated upload and a user to open the attachment; the reported consequence is browser slowdown, not server interruption.

The record

CVE
CVE-2023-41369
Published
Sep 12, 2023
Updated
Sep 25, 2024
Vendor
SAP SE
Product
SAP S/4HANA
Classifications
CWE-611, CAPEC-221, T1499
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 12, 2023CVE publishedPublication date reported by the CVE source.
  2. Sep 25, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=100
  2. Affected versionversion=101
  3. Affected versionversion=102
  4. Affected versionversion=103
  5. Affected versionversion=104
  6. Affected versionversion=105
  7. Affected versionversion=106
  8. Affected versionversion=107
  9. Affected versionversion=108

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

SAP SE · SAP S/4HANAversion=100; version=101; version=102; version=103; version=104; version=105; version=106; version=107; version=108

Published CVSS scores

3.5SAP SECVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
4.3NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-611Improper Restriction of XML External Entity Reference
CAPEC-221Data Serialization External Entities Blowup
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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